Correlation Analysis
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests vs Exxon Mobil Corporation
PAA vs XOM
+0.821
Strong positive
When one moves up, the other tends to follow.
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
↗PAA
Plains All American Pipeline LP, through its subsidiaries, engages in the pipeline transportation, terminaling, storage, and gathering of crude oil and natural gas liquids (NGL) in the United States and Canada. The company operates through two segments, Crude Oil and NGL. The Crude Oil segment offers gathering and transporting crude oil through pipelines, gathering systems, trucks, barges, or railcars. The NGL segment is involved in natural gas processing and NGL fractionation, storage, transportation, and terminalling. It generates the majority of its revenue from the Crude Oil segment.
Market cap 15.4B · 4,200 employees
Exxon Mobil Corporation
↗XOM
ExxonMobil is an integrated oil and gas company that explores for, produces, and refines oil worldwide. In 2025, it produced 3.3 million barrels of liquids and 8.4 billion cubic feet of natural gas per day. At the end of 2024, reserves were 19.9 billion barrels of oil equivalent, 69% of which were liquids. The company is one of the world's largest refiners, with a total global refining capacity of 4.3 million barrels of oil per day, and is one of the world's largest manufacturers of commodity and specialty chemicals.
Market cap 680.7B
Time Series
Relative Performance
Who Moves First
in sync
PAA and XOM tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.821 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+0.313
16 periods · Return correlation when both series rose
Both Falling
+0.153
9 periods · Return correlation when both series fell
Diverging
-0.560
10 periods · Return correlation when series moved apart
R-Squared
67.4%
Share of variance in one series explained by the other.
Trend Agreement
70.2%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.802, 0.838]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
PAA
Market cap 15.4B · 4,200 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Exxon Mobil Corporation
XOM
Market cap 680.7B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
35
Estimated crossover points between normalized spreads.
Slope
5.2870
Linear regression slope.
Intercept
24.0955
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
PAA
Plains All American Pipeline, L.P. Common Units representing Limited Partner Interests
Highest
+0.938
Eli Lilly & Co.
LLY · 1,254 data points
Lowest
+0.164
Johnson & Johnson
JNJ · 1,254 data points
Saved 7 hours ago · ID: stock-paa-vs-stock-xom-daily